battery charging - Why don't some 2S LiPo packs include a balancing connector? - Electrical Engineering Stack Exchange
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charger - How to solder two 3.7 V LiPo batteries in series and then balance charge them - Electrical Engineering Stack Exchange
I've run this old pack through the balance charge three times. Every time the charger times out and one cell is still stuck a 3.92V. Is it pooched? : r/rccars
Lithium Polymer Battery (14.8V, 10Ah)
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Repairing an out of balance lipo cell! Fixing a BALANC DLTA V Error so you can charge! - YouTube
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